Help with slot port.

[Cahm Rohn 10+ year member]

I want to build a box for my 2 mtx 9512-44's. The plan is to go 6.89cuft. @32 hz port length of 24.74. So how long would I have to make the walls. Box is L38 W24 H16

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[Cahm Rohn 10+ year member]

bump anyone

 

[Cahm Rohn 10+ year member]

Breakfast bump

 

[wesl56 10+ year member]

why are you set on that length? you should decide on a port area first, then calculate the port length

 

[Cahm Rohn 10+ year member]

Only set on 32hz that is the tength the calculator gave me

 

[hzsogood 5,000+ posts]

14.5x3 " port @ 32 hz is only a 10" long port //content.invisioncic.com/y282845/emoticons/eyebrow.gif.fe2c18d8720fe8c7eaed347b21ea05a5.gif

 

[hzsogood 5,000+ posts]

I want to build a box for my 2 mtx 9512-44's. The plan is to go 6.89cuft. @32 hz port length of 24.74. So how long would I have to make the walls. Box is L38 W24 H16

The tuning i got for the length you have w/ a 14.5x3" port area is around 24 hz

 

[Cahm Rohn 10+ year member]

Sorry port area is 6.5x14.5

 

[hzsogood 5,000+ posts]

I want to build a box for my 2 mtx 9512-44's. The plan is to go 6.89cuft. @32 hz port length of 24.74. So how long would I have to make the walls. Box is L38 W24 H16

Well u have ur answer now... Make the port 24 3/4 long.... At 6.5 inches wide... //content.invisioncic.com/y282845/emoticons/eyebrow.gif.fe2c18d8720fe8c7eaed347b21ea05a5.gif Not sure what ur asking

 

[hzsogood 5,000+ posts]

Sorry port area is 6.5x14.5

Too much port area imo... almost 100^in for those 12s

 

[Cahm Rohn 10+ year member]

Ok I used georges tutorial and it f*%$#@ me all up, so how would I find out what the actual length of the walls would have to be.

 

[hzsogood 5,000+ posts]

Ok I used georges tutorial and it f*%$#@ me all up, so how would I find out what the actual length of the walls would have to be.

what walls ??? port walls?? Its 23 3/4 in long..... You make a bend 6.5 inches from the back wall of the box and then make the port the rest of the length along the back wall...

 

[hzsogood 5,000+ posts]

your port will be 16inches down the depth side(24 in ) and 8 " down the back off the wall .. L shape

 

[Cahm Rohn 10+ year member]

Thanx thats almost what I was coming up with I guess I was trying to make it harder than what it was.

 

[Cahm Rohn 10+ year member]

The min. usable port area was like 84 sq in., would going up about 10 affect it that much?